1052728278674 has 8 divisors (see below), whose sum is σ = 1604979179148. Its totient is φ = 517735218960.

The previous prime is 1052728278649. The next prime is 1052728278691. The reversal of 1052728278674 is 4768728272501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1049467069225 + 3261209449 = 1024435^2 + 57107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1052728278674² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314460037 + ... + 4314460280.

Almost surely, 2^{1052728278674} is an apocalyptic number.

1052728278674 is a deficient number, since it is larger than the sum of its proper divisors (552250900474).

1052728278674 is an equidigital number, since it uses as much as digits as its factorization.

1052728278674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628920380.

The product of its (nonzero) digits is 21073920, while the sum is 59.

The spelling of 1052728278674 in words is "one trillion, fifty-two billion, seven hundred twenty-eight million, two hundred seventy-eight thousand, six hundred seventy-four".